Seven people are injured, two seriously, after a crash involving several cars near Matamata.
The road has now reopened after the crash at the intersection of State Highway 29 and Hopkins Rd.
The Herald has been unable to confirm how many cars have been involved in the crash.
Police said three cars were involved in the crash, while St John said five cars.
There were seven people treated for injuries, two were attended to on site, one was transported to hospital by air in a serious condition, another in a moderate condition was transported by ambulance.
One other suffered moderate injuries and two suffered minor injuries.
Waikato police Senior Sergeant Gael Mockford said it was initially believed nine people were injured but officers had since reassessed that figure to seven.
Two others had minor injuries.
The road was open again by 1.30pm.
She believed some of the injured were tourists.
A rescue helicopter was used to fly a patient in serious condition to Waikato Hospital.
Hopkins Rd is a popular entrance to the Hobbiton tourist attraction.
The police serious crash unit was investigating.